Remote control with low battery indication
US7411515B2 · kind B2 · utility
3Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2003 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Apr 25, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/3648
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention is a method and remote control apparatus for controlling an electronic device that is capable of indicating a low battery state without the need for cooperation with the electronic device. In one aspect, the invention is a remote control apparatus for controlling an electronic device comprising: a power supply having a voltage; and means to activate an indicator, wherein the activation means activates the indicator in the first way when the voltage is at or above a predefined threshold and the activation means activates the indicator in the second way when the voltage is below a predefined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.